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"c. G. BAUER.

SIGNAL.

APPLICATION FILED FEB. 27. I91].

1 ,325,4:32. Patented Dec. 16, 1919.

INVENTOR ATTORN EY CHARLES G. BAUER, OF BROOKLYN, NEW YORK.

SIGNAL.

Specification of Letters Patent.

Patented Dec. 16, 1919.

Application filed February 27, 1917. Serial No. 151,295.

To all whom it may concern:

Be it known that I, CHARLES G. BAUER, a citizen of the United States, residin at Brooklyn, in the county of Kingsand tate of New York, have invented new and useful Improvements in Signals, of which the following is a specification.

This invention relates to signals, and has particular reference to horns designed for use with motor operated vehicles.

The present invention therefore, comprehends the provision of a horn adapted to be mounted for tilting movement, and embodying a rotary actuating element normally disposed in juxtaposition with the fan belt, so that by tilting said horn the actuating element is brought intoengagement with the belt, with a consequent sounding of the horn.

More specifically stated, the invention embodies an acoustic diaphragm, projecting from which is a lug disposed in the path of the rotary striker or actuating element for sounding the horn, the lug being mounted for adjustment to compensate for the wear between the same and its striker.

The nature and advantages of the invention will be readily apparent from the following detail description when taken in connection with the accompanying drawing, the invention residing in the construction, combination and arrangement of parts as claimed.

In the drawing formin part of this specification like numerals 0 reference indicate similar parts in the several views and where- Figure 1 is a perspective view of the horn constructed in accordance with my invention.

Fig.- 2 is a rear elevation, the dotted lines showing the adjustable position of the horn,

Fig. 3 is a horizontal sectional view.

Fig. 4 is a perspective view of the bracket.

Fig. 5 is a perspective view of the movable horn carrying plate.

Referring more particularly to the drawing in detail 10 indicates generally the horn, which embodies an acoustic diaphragm 11 which is positioned between the disks 12 and 13 respectively. Projecting eccentrically from the latter mentioned disk, is a stub shaft 14 upon which is rotatably mounted the actuating element or striker 15, the edge of the latter adjacent the disk 13 being provided with teeth 16. Projecting from the center of the diaphragm 11 is a lug 17 disposed in the path of movement of the actuating element of striker 15, to be engaged by the teeth 16 thereof for sounding the horn, when the actuating element or striker 15 is rotated. The lug 17 is threaded as shown, and has associated therewitha nut 18, whereby the lug can be adjusted toward the striker, to compensate for any wear between the parts that takes place, and held fixed relative to the diaphragm in 1ts adjusted position.

A substantially L-shaped bracket plate is employed for mountingthe horn on an appropriat part of the machine under the hood, the branch 19 of the plate being utihzed for this purpose, while the branch 20 of said bracket plate supports the horn. Depending from the disk 12 is a plate 21 dlsposed 1n confronting relation with the branch 20 of the bracket, and passed through sa1d parts is a pivot bolt 22, for supporting the horn upon the bracket for tiltin movement. It is to be understood, that t e horn .'is supported in a manner whereby th actuating element or striker 15 is disposed in juxtaposition to the fan belt 23, which latter mentioned element imparts a rotary motion to the actuating element for the sounding of the horn, when the latter is tilted in the proper direction to bring the actuatin element or striker 15 into engagement witl i the belt. Projecting laterally from the branch 19 of the bracket plate is an arm 24 to which one end of a retractile spring 25 is secured, and the opposite end of the spring being connected with the disk 12. Manifestly this spring functions to hold the horn in a position, whereby the actuating element or striker 15 is normally spaced from the fan belt 23. The branch 20 of the bracket is further provided with a lug 26 adapted to be engaged by the adjacent edge of the plate 21, to limit the adjustment of the horn in one direction under the influence of the spring 25;

Any suitable means may be employed for tilting the horn when use of the latter is desired, but as shown in this specific instance the plate 21 is provided with a depending finger 27 which is connected with one limb 28 of a bell crank lever, through-the instrumentality of the element 29, which may be nothing more than a piece of wireor the like. The bell crank? lever is fulcrumed upon a convenient art of the machine, and projecting from it e renraining limb 28' thereof is an operating rod 31 which extends to a position within a convenient reach of the operator, and may be either foot or hand operated as desired.

In practice when it is desired to sound the. horn, the latter is tilted in a direction toward the fan belt 23, with a view of bringing the actuating element or striker 15 into engagement with the latter. Manifestly'a rotary motion is thus imparted to the actuating element or striker 15, and as the teeth 16 thereof pass over the adjacent extremity of the lug 17 the horn is sounded. The horn iwhen tilted in this direction, places the spring 25 under tension, so that at the desired interval, the spring functions to automatically return the horn to its normal position, whereupon the sounding of the horn ceases. As above-stated the lug 26 is disposed in the path of movement of the plate 21, and is engaged by the adjacent edge of the latter to limit the return move ment of the horn.

While I have shown and described what I now consider the preferred embodiment of the invention, I desire to have it understood that I do not limit myself to this precise construction and arrangement of parts, and that such changes may be resorted to when desired as fall Within the scope of what is claimed.

mamas What is claimed is 1. A signal horn comprising a hollow body, an acoustic diaphragm disposed over one end of said body, a disk secured over said end of the body and covering said diaphragm, a lug secured to and projecting centrally from said diaphragm and extending through an opening in said disk, a stud projecting outwardly from said disk eccentrically thereof, a cylindrical member journaled on said stud, and a plurality of teeth formed on the end of said cylindrical mem-' ber adjacent said disk and lying in a plane parallel with the disk and engaging said lug whereby vibratory movement Will be imparted to said diaphragm.

2. In a signal apparatus for motor vehicles, provided with a moving fan belt,-a horizontally disposed bracket secured beneath the hood of the vehicle and having a vertically extending portion parallel with the plane of movement with the belt, a plate pivoted upon and fiat against the vertical portion of said bracket and movable thereover, a-horn secured upon said plate and including a rotary actuating member, means for normally holding said plate at one limit of its movement with said actuating member spaced from said belt, and means for tilting said plate to bring said actuating member into engagement with the fan belt.

In testimony whereof I, aiiix my signature.

CHARLES G. BAUER. 

